Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waxing Crescent 42%

13:00

22:39

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:23, Set: 20:41, Transit: 13:02. Moon - Rise: 13:00, Set: 22:39. Civil Dark: 21:22 - 04:44. Nautical Dark: 22:15 - 03:52. Astro Dark: 23:25 - 02:43

Total Clouds (% Sky Obscured)

89
81
66
100
86
100
92
92
94
100
100
100
100
100
100
94
70
70
72
89
97
98
96
94

Low Clouds (% Sky Obscured)

23
28
52
65
57
71
75
85
88
88
85
81
69
50
50
49
58
39
49
41
47
39
48
36

Medium Clouds (% Sky Obscured)

60
46
66
88
50
100
63
46
34
77
66
99
99
98
98
92
70
70
60
66
81
81
91
93

High Clouds (% Sky Obscured)

67
9
66
97
73
43
5
34
18
100
80
57
43
78
33
0
0
3
0
3
70
89
50
26

ISS Passover

Visibility (miles)

4
4
9
5
8
5
6
7
4
3
7
9
9
9
6
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
28
95
85
66
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
23
37
43
61
70
69
9
2
7
31
54
65
71
61
45
43
13
10
3
6
5
8
5

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.6
0.6
0
0
0
0
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
3
1
2
3
3
3
3
2
3
4
4
6
6
7
9
10
11
10
9
9
8
6
6

Chance of Frost

Temperature (°C)

12
12
11
12
12
11
11
11
11
11
12
13
13
14
15
17
17
18
18
18
17
17
16
15

Feels Like (°C)

12
12
11
11
11
10
10
9
11
11
11
12
12
13
14
14
14
15
16
16
14
14
14
14

Dew Point (°C)

10
10
10
11
11
11
11
10
11
11
11
11
11
11
9
9
8
7
6
7
8
9
9
10

Relative Humidity (%)

87
90
91
95
96
98
98
98
98
98
95
92
89
83
64
59
52
48
44
46
53
57
63
73

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1016
1015
1016
1015
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

334
334
333
336
338
340
343
342
340
340
339
337
337
337
337
336
335
334
335
334
334
335
334
332

Thursday 31

Waxing Crescent 52%

14:12

22:51

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:24, Set: 20:40, Transit: 13:02. Moon - Rise: 14:12, Set: 22:51. Civil Dark: 21:20 - 04:45. Nautical Dark: 22:12 - 03:54. Astro Dark: 23:21 - 02:46

Total Clouds (% Sky Obscured)

95
85
100
90
81
81
88
89
94
95
94
100
100
94
95
100
100
100
100
97
96
92
82
73

Low Clouds (% Sky Obscured)

40
44
60
65
52
60
69
76
80
80
68
85
61
66
72
75
87
81
77
78
69
70
50
58

Medium Clouds (% Sky Obscured)

86
69
94
67
76
69
65
53
59
40
56
62
81
72
75
84
100
96
100
90
87
67
62
42

High Clouds (% Sky Obscured)

11
32
67
46
53
8
6
11
60
60
62
100
100
76
42
100
100
100
67
10
0
8
75
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
0
0
1
3
5
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

1
0
5
5
2
4
13
8
4
8
7
13
26
59
95
86
88
95
95
76
45
20
18
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.2
0.7
0.5
1.7
1.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
4
5
4
4
4
3
4
6
7
8
9
8
9
9
8
8
5
3
4
4

Chance of Frost

Temperature (°C)

13
13
12
12
12
11
11
12
11
12
13
14
15
16
15
15
16
16
16
15
15
16
15
15

Feels Like (°C)

13
12
12
11
11
12
11
11
11
11
12
13
14
14
14
14
14
15
15
14
14
16
15
16

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
11
12
12
14
15
16
16
15
14
14
15
13
14

Relative Humidity (%)

84
87
90
92
93
96
98
96
95
95
90
84
82
79
90
100
98
98
95
96
95
95
90
93

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1011
1011
1010
1010
1011

Ozone (du)

330
329
331
331
329
327
326
326
324
324
323
323
322
321
319
317
322
324
328
334
335
332
333
333

Friday 1

First Quarter 61%

15:25

23:07

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:26, Set: 20:38, Transit: 13:02. Moon - Rise: 15:25, Set: 23:07. Civil Dark: 21:19 - 04:47. Nautical Dark: 22:10 - 03:56. Astro Dark: 23:18 - 02:49

Total Clouds (% Sky Obscured)

63
67
72
82
79
95
94
97
97
94
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

63
64
69
71
72
80
84
90
86
75
62
58
53
63
64
55
46
43
36
38
28
28
24
22

Medium Clouds (% Sky Obscured)

38
29
33
0
21
13
35
35
52
50
43
82
96
98
91
73
67
54
38
84
90
64
25
22

High Clouds (% Sky Obscured)

1
2
3
56
44
84
80
75
71
75
100
100
100
100
100
99
76
81
88
100
100
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5
4
7
5
4
6
9

Fog (%)

0
0
0
0
30
45
58
82
77
73
73
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

1
0
1
0
1
1
1
6
6
5
7
17
21
52
63
60
83
71
71
91
95
95
80
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.5
0.3
0.3
0.7
0.6
0.7
0.4
0

Wind Speed/Direction (mph)

3
2
1
1
2
2
2
2
2
2
2
3
4
5
6
6
5
6
6
5
6
4
3
1

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
12
13
12
13
14
15
16
17
18
19
18
18
18
18
17
17
16

Feels Like (°C)

15
14
15
14
12
13
12
12
12
12
13
14
15
16
16
16
18
17
17
18
17
17
17
16

Dew Point (°C)

13
12
12
12
11
12
12
12
12
12
12
13
13
13
12
12
11
11
12
12
13
14
14
13

Relative Humidity (%)

96
95
96
96
96
98
96
96
96
95
95
92
86
81
73
67
60
64
65
65
72
83
83
86

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

333
332
331
331
330
329
328
329
328
328
327
328
327
326
325
324
323
323
324
323
322
323
324
327

Saturday 2

Waxing Gibbous 71%

16:36

23:27

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:27, Set: 20:36, Transit: 13:02. Moon - Rise: 16:36, Set: 23:27. Civil Dark: 21:17 - 04:49. Nautical Dark: 22:08 - 03:58. Astro Dark: 23:14 - 02:53

Total Clouds (% Sky Obscured)

87
73
83
95
78
99
100
100
100
100
100
100
100
100
100
100
100
94
87
83
74
66
59
67

Low Clouds (% Sky Obscured)

25
32
35
42
51
60
65
70
71
67
63
54
46
37
26
21
14
29
41
46
18
18
38
51

Medium Clouds (% Sky Obscured)

35
21
25
32
15
40
23
13
44
13
30
23
40
53
63
78
90
80
65
51
43
33
22
31

High Clouds (% Sky Obscured)

87
73
83
91
78
94
97
100
100
100
100
100
100
100
100
100
100
70
40
0
10
10
10
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

50
19
30
18
1
16
3
0
0
0
0
0
0
2
9
21
34
45
16
8
3
6
4
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
2
2
2
2
2
2
2
2
1
2
3
4
6
8
9
10
10
10
9
10
9
8
8

Chance of Frost

Temperature (°C)

14
14
13
13
13
12
11
11
11
12
12
13
15
16
17
18
19
19
19
19
18
18
17
14

Feels Like (°C)

15
14
14
13
12
13
11
11
11
11
12
13
14
14
15
15
16
16
16
16
15
15
14
11

Dew Point (°C)

13
12
12
11
11
11
10
10
10
10
11
11
11
11
10
9
10
10
12
12
10
11
11
10

Relative Humidity (%)

89
90
92
92
92
92
90
91
90
92
89
83
78
71
61
56
55
55
62
62
58
63
66
76

Pressure (mb)

1013
1013
1014
1014
1014
1014
1015
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1017
1017

Ozone (du)

329
329
330
331
332
331
329
328
328
327
329
329
331
332
333
334
333
333
333
332
330
332
332
334

Sunday 3

Waxing Gibbous 68%

17:44

23:55

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:29, Set: 20:35, Transit: 13:02. Moon - Rise: 17:44, Set: 23:55. Civil Dark: 21:15 - 04:50. Nautical Dark: 22:06 - 04:00. Astro Dark: 23:11 - 02:56

Total Clouds (% Sky Obscured)

76
85
81
87
85
87
86
87
89
86
100
92
89
87
84
83
83
86
91
95
96
97
98
94

Low Clouds (% Sky Obscured)

60
67
65
72
64
64
54
72
60
36
54
79
69
55
55
56
56
61
68
73
60
47
34
39

Medium Clouds (% Sky Obscured)

35
43
38
57
41
13
17
62
63
71
100
46
42
35
30
22
13
18
22
26
41
59
78
83

High Clouds (% Sky Obscured)

0
0
0
0
16
32
27
31
32
55
100
4
3
2
5
25
37
47
46
48
55
54
30
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
1
2
2
0
0
0
0
2
4
3
8
10
10
13
14
15
18
21
21
19
20
24
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
5
4
4
3
2
2
3
3
4
5
7
8
7
7
7
7
7
7
6
5
5

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
11
11
11
11
12
13
13
14
13
15
16
17
18
19
19
18
18
17

Feels Like (°C)

11
10
9
10
9
9
10
10
10
10
11
11
12
11
11
12
12
12
17
16
16
17
17
18

Dew Point (°C)

10
10
9
9
8
9
9
10
10
9
10
10
11
11
11
12
12
13
13
12
12
12
13
13

Relative Humidity (%)

79
82
81
83
81
86
87
91
88
88
84
81
83
86
87
84
80
78
71
65
61
66
72
78

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

339
339
331
328
325
322
318
317
319
322
323
328
327
327
326
323
321
319
316
313
310
306
302
298

Monday 4

Waxing Gibbous 79%

18:43

00:34

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad

Sun - Rise: 05:30, Set: 20:33, Transit: 13:02. Moon - Rise: 18:43, Set: 00:34. Civil Dark: 21:13 - 04:52. Nautical Dark: 22:03 - 04:02. Astro Dark: 23:07 - 02:59

Total Clouds (% Sky Obscured)

90
86
76
68
52
62
78
91
94
98
100
94
87
80
65
50
35
30
35
36
34
32
26
26

Low Clouds (% Sky Obscured)

45
50
51
51
52
62
74
87
88
88
91
83
76
69
56
44
31
30
35
36
34
32
26
26

Medium Clouds (% Sky Obscured)

81
77
60
45
34
39
43
48
64
77
95
93
87
80
65
50
35
30
35
30
34
32
26
26

High Clouds (% Sky Obscured)

5
5
5
0
5
10
15
23
42
61
80
80
75
75
65
45
19
13
6
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
3
0
1
3
4
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

33
24
23
23
26
26
27
28
28
25
17
27
35
45
55
59
62
53
42
26
28
29
23
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
7
8
9
8
8
8
9
10
10
12
14
14
14
13
13
12
13
10
7
5

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
13
13
13
13
14
15
15
16
16
16
16
16
15
15
16
15
14
14

Feels Like (°C)

15
14
15
14
13
12
12
11
11
11
11
12
12
13
12
12
12
11
14
13
13
14
14
15

Dew Point (°C)

13
14
14
14
13
13
13
13
13
13
13
13
12
11
9
7
6
4
3
4
4
5
6
7

Relative Humidity (%)

83
89
95
96
96
98
98
98
98
96
95
92
82
72
64
56
51
45
45
46
46
51
56
63

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

298
297
296
296
295
294
295
295
295
296
297
298
300
302
304
305
307
309
309
310
310
311
311
311

Tuesday 5

Waxing Gibbous 87%

19:29

01:27

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:32, Set: 20:31, Transit: 13:02. Moon - Rise: 19:29, Set: 01:27. Civil Dark: 21:11 - 04:54. Nautical Dark: 22:01 - 04:04. Astro Dark: 23:04 - 03:02

Total Clouds (% Sky Obscured)

28
33
39
48
67
73
74
75
74
69
64
60
57
54
55
52
46

Low Clouds (% Sky Obscured)

28
33
39
40
40
50
58
70
73
63
62
56
57
54
55
52
46

Medium Clouds (% Sky Obscured)

20
0
23
45
55
55
56
65
66
63
64
60
57
54
55
52
46

High Clouds (% Sky Obscured)

0
0
0
0
0
29
59
75
60
31
3
34
57
54
55
52
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

47
47
46
35
8
21
25
28
27
23
13
19
23
26
43
56
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

4
4
3
3
3
3
4
4
4
6
8
10
10
12
13
13
14

Chance of Frost

Temperature (°C)

13
13
11
11
10
10
9
9
9
10
11
12
13
14
15
15
16

Feels Like (°C)

11
12
13
12
12
12
9
10
10
10
9
9
13
12
11
11
11

Dew Point (°C)

7
8
7
7
8
8
8
8
8
8
7
7
6
5
4
3
3

Relative Humidity (%)

68
72
76
78
84
87
90
91
93
84
77
70
61
53
46
44
42

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016

Ozone (du)

312
312
312
315
318
321
323
326
329
329
329
329
328
327
326
326
326

Forecast for Proruby, Náchod District, Czech Republic (50.48,15.96)

Generated: 30/07/25 21:00:46. Forecast: 30/07/25 to 05/08/25. Timezone: UTC+2.00